281479315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{70991}}^1$

素因数の和:71070

約数の個数: 16

約数和(自身を含む): 369726336

約数和(自身を除く): 88247021

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 70991, 354955, 922883, 4330451, 4614415, 21652255, 56295863, 281479315]

約数ペア:

[(1, 281479315), (5, 56295863), (13, 21652255), (61, 4614415), (65, 4330451), (305, 922883), (793, 354955), (3965, 70991)]